Nomenclatural standards of pear varieties bred by Sverdlovsk Horticultural Breeding Station

As part of the research there have been developed and published nomenclatural standards of 12 pear varieties bred by Sverdlovsk Horticultural Breeding Station: Berezhenaya (WIR-101392), Gvidon (WIR-101393), Dobryanka (WIR-101394), Zarechnaya (WIR-101395), Permyachka (WIR-101397), Raduzhnaya (WIR-101398), Rozovyy Bochonok (WIR-101399), Sverdlovchanka (WIR-101400), Sultan (WIR-101402), Talitsa (WIR-101404), Fleyta (WIR-101405), Chusovaya (WIR-103944). Plant material for nomenclatural standards was selected in the collection of the originator organization with the participation of the creators of these varieties. The herbarium sample of the nomenclature standard of each cultivar is represented mainly by two herbarium sheets containing parts of one plant collected during two periods: fruit and annual shoots ‒ in the fall 2019, flowers ‒ in the spring 2020. The herbarium label indicates: the herbarium number of the sample in the VIR Herbarium, the scientific name of the species, the name of the variety, the origin (the name of the organization in which the variety was created), the place of reproduction (where the plant was grown), the harvest dates, the names of collectors. Herbarium sheets are supplemented with photos of fruits and flowers. Nomenclatural standards are made in accordance with the recommendations of the International Code of Nomenclature for Cultivated Plants (ICNCP), registered in the database "VIR Herbarium" and included in the type collection of Herbarium of cultivated plants of the world, their wild relatives and weeds (WIR). According to the same rules, herbarium samples of 3 elite pear forms (Limonadnaya, Sretenskaya, Tais) were made, registered and included into the Main Fund of the VIR Herbarium. After registration of copyright documents for cultivars, these samples can be assigned as nomenclatural standards. In total, 27 samples in the amount of 27 herbarium sheets were transferred to the herbarium collection. A digital image of herbarium specimen is available in the database «VIR Herbarium» (http://db.vir.nw.ru/herbar/gerb).

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